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Entomology and Plant Pathology, Oklahoma State University
127 Noble Research Center, Stillwater, OK74078
405.744.5527
Vol. 11, No. 32
http://entoplp.okstate.edu/Pddl/
Jul 18, 2012
Mosquitoes in Oklahoma and West Nile Virus (WNV)
Justin Talley, Extension Livestock Entomologist,
Russell Wright, Emeritus Professor and Department Head
We are starting to receive questions about mosquitoes and how you can control these. With the noticeably hot summers we have had both last year and this year the potential for a mosquito population to build up is always there. The major limiting factor to large populations of mosquitoes is the number of precipitation events. This led to low insect activity overall but this year we are seeing mosquitoes return to noticeable levels especially during late evening hours.
West Nile Virus (WNV) was prevalent at very low levels last year but as of July 10th of this year there have been at least two reported human cases in Oklahoma. Even though the mosquito populations are lower than previous years we need to be diligent in monitoring both mosquito and diseases they may transmit every year. Most people know that the normal infection method for WNV is through a mosquito bite. To understand the cycle of the disease one needs to understand something about the life cycle of the

Entomology and Plant Pathology, Oklahoma State University
127 Noble Research Center, Stillwater, OK74078
405.744.5527
Vol. 11, No. 32
http://entoplp.okstate.edu/Pddl/
Jul 18, 2012
Mosquitoes in Oklahoma and West Nile Virus (WNV)
Justin Talley, Extension Livestock Entomologist,
Russell Wright, Emeritus Professor and Department Head
We are starting to receive questions about mosquitoes and how you can control these. With the noticeably hot summers we have had both last year and this year the potential for a mosquito population to build up is always there. The major limiting factor to large populations of mosquitoes is the number of precipitation events. This led to low insect activity overall but this year we are seeing mosquitoes return to noticeable levels especially during late evening hours.
West Nile Virus (WNV) was prevalent at very low levels last year but as of July 10th of this year there have been at least two reported human cases in Oklahoma. Even though the mosquito populations are lower than previous years we need to be diligent in monitoring both mosquito and diseases they may transmit every year. Most people know that the normal infection method for WNV is through a mosquito bite. To understand the cycle of the disease one needs to understand something about the life cycle of the